Yamaha-HTR5635-avr-sm 维修电路原理图.pdf

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1、SERVICE MANUAL100849IMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are alreadyknown and understood by the users, an

2、d have therefore not been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personalinjury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,we advise all YAMAHA product own

3、ers that any service required should be performed by an authorizedYAMAHA Retailer or the appointed service representative.IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization, certification orrecognition of any applicable technical capabilitie

4、s, or establish a principle-agent relationship of any form.The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, andservice departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore,

5、 inevitableand specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, pleasecontact the distributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumul

6、ated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.P.O.Box 1, Hamamatsu, JapanI CONTENTSTO SERVICE PERSONNEL . 2IMPEDANCE SEL

7、ECTOR . 2FRONT PANEL . 3REAR PANEL . 3REMOTE CONTROL. 3SPECIFICATIONS. 45INTERNAL VIEW . 6DISASSEMBLY PROCEDURES . 79SELF DIAGNOSIS FUNCTION (DIAG) . 1026AMP ADJUSTMENT . 26DISPLAY DATA . 2728IC DATA . 2934BLOCK DIAGRAM. 3536PRINTED CIRCUIT BOARD . 3746PIN CONNECTION DIAGRAM . 4748SCHEMATIC DIAGRAM

8、. 4954PARTS LIST. 5565REMOTE CONTROL. 6667AV RECEIVERHTR-5635HTR-5635For U, C modelsRadioFans.CN 收音机爱 好者资料库Copyright 2003 YAMAHA CORPORATIONThis manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission.2HTR-5635HTR-5635IMPEDANCE SELE

9、CTORWARNING:Do not change the IMPEDANCE SELECTOR switch setting while the power to this unit is on, otherwise this unit may be damaged.WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains

10、LEAD. In addition, other electrical/electronic and/or plastic (whereapplicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (andpossibly other entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRIC

11、AL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA-SON WHATSOEVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or exposeeyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure

12、of this product, wash your hands beforehandling food.I TO SERVICE PERSONNEL1. Critical Components InformationComponents having special characteristics are marked sand must be replaced with parts having specifications equalto those originally installed.2. Leakage Current Measurement (For 120V Models

13、Only)When service has been completed, it is imperative to verifythat all exposed conductive surfaces are properly insulatedfrom supply circuits.GMeter impedance should be equivalent to 1500 ohm shuntedby 0.15F.I IMPEDANCE SELECTOR“CAUTION”“F922: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE

14、 ONLY WITH SAME TYPE 7A, 125V FUSE.”CAUTIONF922: REPLACE WITH SAME TYPE 7A, 125V FUSE.ATTENTIONF922: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 7A, 125V.GLeakage current must not exceed 0.5mA.GBe sure to test for leakage with the AC plug in both polarities. DIMENSIONS151 (5-15/16)130 (5-1/8)349

15、.5 (13-3/4)21(13/16)16(5/8)14.5 (9/16)380 (14-15/16)435 (17-1/8)Unit : mm (inch)RadioFans.CN 收音机爱 好者资料库3HTR-5635HTR-5635I FRONT PANELI REAR PANELI REMOTE CONTROLSYSTEMPOWERSTANDBYPOWERAVPOWERTVPOWERTVENTER+1009STEREOMATRIX 6.1SELECT- /DTS87651 - MOVIE THTR - 2MONO MOVIETV SPORTS4321ENTERTAINMENTROCK

16、JAZZHALLV-AUXVCRD-TV/CBLDVDSLEEPTUNERMD/CD-RCDTVAMPCODE SETMUTEINPUTMUTEREC6CH INPUTAUDIODISC SKIPVOLUME+CHVOLSET MENUSELECTPRESET/CHRAV301 WA65340A/B/C/D/ELEVELMENUTESTRETURNDISPLAYTITLE+4HTR-5635HTR-5635I SPECIFICATIONSI Audio SectionMinimum RMS Output Power (Power Amp. Section) (20 Hz to 20 kHz,

17、0.06% THD, 8 ohms)MAIN L/R.75W + 75WCENTER. 75WREAR L/R.75W + 75W (1 kHz, 0.09% THD, 8 ohms)MAIN L/R.85W + 85WCENTER. 85WREAR L/R.85W + 85WDynamic Power Per Channel (IHF)8/6/4/2 ohms . 95/115/140/160WDamping Factor20 Hz to 20 kHz, SPEAKER-A, 8 ohms . 80 or moreDynamic Headroom8 ohms. 1.09dBInput Sen

18、sitivity / Input ImpedanceCD, etc. . 150 mV / 47 k-ohmsEXT. DECODERMAIN L/R, CENTER, SURROUND L/R, SUB WOOFER. 150 mV / 47 k-ohmsMaximum Input Signal Level(1 kHz, 0.5% THD, Effect On)CD, etc. .2.0V or moreOutput Level / Output ImpedanceREC OUT . 150 mV / 1.2 k-ohmsSUB WOOFER (MAIN SP: Small). 4 V /

19、1.2 k-ohmsHeadphone Jack Rated Output / ImpedanceCD, etc. (1 kHz, 150 mV, 8 ohms). 0.34 V / 560 ohmsFrequency ResponseCD, etc. to MAIN L/R (10 Hz to 100 kHz) . 0/-3.0dBTotal Harmonic Distortion(20Hz to 20kHz, 40W, 8 ohms)CD, etc. (Effect Off) to MAIN L/R SP OUT.0.06% or lessSignal to Noise RatioCD,

20、etc. (Input shorted, EFFECT OFF) to MAIN L/R 250mV .100dB or moreResidual Noise (IHF-A network)MAIN L/R SP OUT . 150V or lessChannel Separation(Vol -30 dB, Effect Off)CD, etc. (Input 5.1 k-ohms shorted, 1 kHz/10 kHz) . 60 dB or more/45 dB or moreTone Control CharacteristicsBASSBoost/Cut . 10dB (50Hz

21、)Turnover Frequency . 350HzTREBLEBoost/Cut . 10dB (20kHz)Turnover Frequency . 3.5kHzFilter CharacteristicsMAIN, REAR L/R SP Small (H.P.F.) .90Hz / 12dB oct.SUBWOOFER (L.P.F.) .90Hz / 18dB oct.I Video SectionVideo Signal Type. NTSCVideo Signal Level. 1 Vp-p / 75 ohmsMaximum Input Level. 1.5 Vp-p or m

22、oreSignal to Noise Ratio.50 dB or moreMonitor Out Frequency ResponseVideo Signal Level .5 Hz to 10 MHz, -3 dBI FM SectionTuning Range. 87.5 to 107.9 MHz50dB Quieting Sensitivity (IHF)(1kHz, 100% Mod.)Mono . 2.0 V (17.3 dBf)Stereo . 25 V (39.2 dBf)Usable Sensitivity (IHF)Mono . 1.0 V (11.2 dBf)Select

23、ivityat 400 kHz . 70 dBSignal to Noise Ratio (IHF)Mono / Stereo .76 dB / 70 dBHarmonic Distortion(1 kHz)Mono/Stereo. 0.2 / 0.3 %Stereo Separation1 kHz . 45 dBFrequency Response20 Hz to 15 kHz .+0.5 / -2 dBAntenna Input. 75 ohms unbalancedI AM SectionTuning Range. 530 to 1,710 kHzUsable Sensitivity.

24、300 V/mAntenna. Loop AntennaI GeneralPower Supply.AC 120 V, 60 HzPower Consumption. 210 W / 260 VAStandby Power Consumption (reference data). 0.6 WAC Outlets2 switched outlets . 100 W max. totalDimensions (W x H x D). 435 x 151 x 387 mm (17-1/8 x 5-15/16 x 15-1/4)Weight. 10.0 kg (22 lbs. 1 oz.)Finis

25、h. Black colorAccessoriesRemote Control, Batteries (Manganese Dry), Indoor FM Antenna,AM Loop Antenna.* Specifications are subject to change without notice due to productimprovements.Manufactured under license from Dolby Laboratories.“Dolby”, “Pro Logic” and the double-D symbol are trademarks ofDolb

26、y Laboratories.“DTS” and “DTS Digital Surround” are registered trademarks ofDigital Theater Systems, Inc.5HTR-5635HTR-5635 Set Menu TableNo.MAIN MENUSUB MENU: PRESET VALUESETTING RANGES1.SPEAKER SET1A. CENTER SP: LARGELARGE, SMALL, NONE1B. MAIN SP: LARGELARGE, SMALL1C. REAR L/R SP: LARGELARGE, SMALL

27、, NONE1D. LFE/BASS OUT: BOTHSW, MAIN, BOTH1E. MAIN LEVEL: NORMALNORMAL, 10dB2.LFE LEVELSP LFE LEVEL: 0dB20dB 0dB (1dB step)HP LFE LEVEL: 0dB20dB 0dB (1dB step)3.SP DELAY TIMECENTER DELAY: 0ms0ms 5ms (1ms step)4.DYNAMIC RANGESP DYNAMIC RANGE: MAXMAX, STD, MINHP DYNAMIC RANGE: MAXMAX, STD, MIN5.L/R BA

28、LANCECENTERL, , CENTER, , R (40 steps)6.HP TONE CONTROLHP BASS: 0dB6dB +3dB (1dB step)HP TREBLE: 0dB6dB +3dB (1dB step)7.I/O ASSIGNING7C (1). OPTICAL IN 1: DVDDVD7C (2). COAXIAL IN 1: CDCD8.INPUT MODEAUTOAUTO/LAST9.DISPLAY SETDIMMER: 04 0 (1 step)10.MEMORY GUARDOFFOFF/ON6HTR-5635HTR-5635I INTERNAL V

29、IEW1 FUNCTION (9) P.C.B.2 FUNCTION (7) P.C.B.3 MAIN (6) P.C.B.4 MAIN (10) P.C.B.5 MAIN (2) P.C.B.6 FUNCTION (3) P.C.B.7 FUNCTION (2) P.C.B.8 FUNCTION (10) P.C.B.9 FUNCTION (4) P.C.B.0 FUNCTION (1) P.C.B.A DSP P.C.B.B MAIN (3) P.C.B.C MAIN (1) P.C.B.D MAIN (4) P.C.B.E FUNCTION (5) P.C.B.F FUNCTION (6

30、) P.C.B.G MAIN (5) P.C.B.H OPERATION (3) P.C.B.I OPERATION (2) P.C.B.J OPERATION (1) P.C.B.9A8BGHF EDCJI076342517HTR-5635HTR-56359D0EI DISASSEMBLY PROCEDURESFig. 1 (Remove parts in the order as numbered.)Disconnect the power cable from the AC outlet.1. Removal of Top Covera. Remove 4 screws (1) and

31、4 screws (2). (Fig. 1)b. Slide the Top Cover rearward to remove it. (Fig. 1)2. Removal of Front Panel Unita. Remove 5 screws (3) and then remove the Front PanelUnit. (Fig. 1)b. Remove CB309311. (Fig. 1)c. Loosen the harness fixture fixing the cable.3. Removal of MAIN (5) P.C.B.a. Remove 1 screw (4)

32、and then remove the JackStopper (5) upward. (Fig. 1)b. Remove the MAIN (5) P.C.B. (Fig. 1)4. Removal of DSP P.C.B.a. Remove 4 screws (6) and 1 screw (7), and thenremove the Shield Case Cover. (Fig. 2)b. Remove 2 screws (8). (Fig. 2)c. Remove 2 screws (9). (Fig. 3)d. Remove CB308. (Fig. 2)e. Remove t

33、he Shield Case Cover and the DSP P.C.B.(Fig. 2)Front Panel Unit221145333MAIN (5) P.C.B.Top CoverCB311CB310CB30967668Shield Case CoverShield CaseDSP P.C.B.CB308Fig. 2Fig. 38HTR-5635HTR-5635MAIN (10) P.C.B.MAIN (2) P.C.B.MAIN (3) P.C.B.MAIN (1) P.C.B.MAIN (4) P.C.B.FUNCTION (5) P.C.BFCBCCB253Fig. 66.

34、Removal of MAIN (1), MAIN (3), MAIN (4) andFUNCTION (5) P.C.B.sa. Remove CB253. (Fig. 6)b. Remove 1 screw (B) and 2 screws (C). (Fig. 6)c. Remove MAIN (1), MAIN (3), MAIN (4) and FUNCTION(5) P.C.B.s. (Fig. 6)7. Removal of MAIN (10) and MAIN (2) P.C.B.sa. Remove 4 screws (D). (Fig. 3)b. Remove MAIN (

35、10) P.C.B. (Fig. 6)c. Remove 1 screw (E). (Fig. 3)d. Remove 1 screw (F). (Fig. 6)e. Remove MAIN (2) P.C.B. (Fig. 6)Fig. 4Fig. 5ACB312When checking the P.C.B.:Put the rubber sheet and a cloth over the equipment.Then place the P.C.B. upside down on the cloth andcheck it. (Fig. 5)Reconnect all cables (

36、connectors) that have beendisconnected.The P.C.B. removed from the rear panel does not workbecause its grounding is loose. Be sure to connect theground of each P.C.B. to the chassis or GND with ajumper wire or the like.5. Removal of FUNCTION (1) (4), FUNCTION (10)P.C.B.s and Tunera. Remove CB312. (F

37、ig. 4)b. Remove 15 screws (0). (Fig. 3)c. Remove 1 screw (A). (Fig. 4)d. Remove FUNCTION (1) (4), FUNCTION (10)P.C.B.s. and the Tuner. (Fig. 4)TunerVIDEO (2) P.C.B. *1VIDEO (1) P.C.B. *1FUNCTION (2) P.C.B.FUNCTION (3) P.C.B.FUNCTION (1) P.C.B.FUNCTION (4) P.C.B.FUNCTION (10) P.C.B.Rubber sheet and c

38、loth*1: Not applied to HTR-56359HTR-5635HTR-5635MAIN (1) P.C.B.Replacement of Power Transistor, SpeakerProtective RelayIt is easy to replace the power transistor and speakerprotective relay of this unit according to the followingprocedure.a. Remove the top cover. (Refer to “1. Removal of TopCover” o

39、n p.7.)b. Remove 1 screw (B) and 2 screws (C). (Fig. 6)c. Raise the MAIN (1) P.C.B. (Fig. 7)d. In this state, the power transistor and speakerprotective relay can be replaced. To check theoperation in this state, it is necessary to connect thegrounding cable.Fig. 710HTR-5635HTR-5635I SELF DIAGNOSIS

40、FUNCTION (DIAG)No DIAG menusub-menu1DSP THROUGH1. ANALOG BYPASS2. YSS 0dB3. YSS Front 0dB4. YSS FULL BIT5. YSS FULL BIT F2RAM THROUGHRAM 0dB3PRO LOGIC1. PRO LOGIC I2. PRO LOGIC II4SPEAKER SET1. MAIN: SMALL 0dB2. CENTER: NONE3. LFE/BASS: MAIN4. Front Mix: 5ch5. REAR CENTER (Not applied to HTR-5635)5M

41、ARGIN CHECK1. MAIN 12 dB MARGIN2. MAIN 18 dB MARGIN6OTHER INPUTEXTERNAL DECODER7DISPLAY CHECK1. VFD CHECK (Initial display)2. VFD DISP OFF (All segments OFF)3. VFD DISP ALL (All segments ON 100%)4. VFD DIMMER (All segments ON 50%)5. CHECKED PATTERN (ON in lattice)8MANUAL TEST1. TEST ALL2. TEST MAIN

42、L3. TEST CENTER4. TEST MAIN R5. TEST REAR R6. TEST REAR CENTER (Not applied to HTR-5635)7. TEST REAR L8. TEST LFE9FACTORY PRESET1. PRESET INHIBITED (memory initialization inhibited)2. PRESET RESERVED (memory initialized)10AD DATA CHECK1. PS (protection)/FAN TEST2. K0/K1 (panel key)3. K2 (panel key)4

43、. IMP SW/POWER LIMIT5. THM/FAN OUT6. FAN DRIVE TEST: HIGH (Not applied to HTR-5635)7. FAN DRIVE TEST: MID (Not applied to HTR-5635)8. FAN DRIVE TEST: LOW (Not applied to HTR-5635)11IF STATUS1. INSIDE STATUS 1(5 Byte)2. INSIDE STATUS 2(3 Byte)3. INSIDE STATUS 3(4 Byte)4. CHANNEL STATUS 1(5 Byte)5. CH

44、ANNEL STATUS 2(5 Byte)6. CHANNEL STATUS 3(5 Byte)7. CHANNEL STATUS 4(5 Byte)8. CHANNEL STATUS 5(4 Byte)9. BSI (YSS) 1(5 Byte)10. BSI (YSS) 2(5 Byte)There are 14 DIAG menu items, each of which has sub-menu items.Listed in the table below are menu items and sub-menu items.Note that not all menu items

45、listed will apply to the models covered in this service manual.11HTR-5635HTR-5635No DIAG menusub-menu11. BSI (YSS) 3(5 Byte)12. BSI (YSS) 4(4 Byte)13. BSI (CS) 1(5 Byte)14. BSI (CS) 2(5 Byte)15. BSI (CS) 3(5 Byte)16. BSI (CS) 4(5 Byte)17. BSI (CS) 5(1 Byte)18. YSS938-1(5 Byte)19. YSS938-2(5 Byte)20.

46、 YSS938-3(4 Byte)21. CS49329(3 Byte)22. Mute Trigger(5 Byte)12DSP RAM CHECK1. YSS938 BUS CHECK2. PLD/CS BUS CHECK13SOFT SWITCH1. SW MODE2. MODEL SETTING3. TUNER DESTINATION4. TUNER EXIST6. RDS EXIST7. VIDEO FORMAT (Not applied to HTR-5635)14ROM VERSION/CHECK SUM/1. VERSIONPORT2. CHECK SUM ALL/PROGRA

47、M3. PORT4. AAC PORT Starting DIAGPress the “STANDBY/ON” key while simultaneouslypressing those two keys of the main unit as indicated in thefigure below. Starting DIAG in the protection cancelmodeIf the protection function works and causes hindrance totrouble diagnosis, cancel the protection functio

48、n asdescribed below, and it will be possible to enter the DIAGmode. (The protection functions other than the excesscurrent detect function will be disabled.)Press the “STANDBY/ON” key while simultaneouslypressing those two keys indicated in the figure above. Atthis time, keep pressing those two keys

49、 for 3 seconds orlonger.In this mode, the “SLEEP” segment of the FL display of themain unit flashes to indicate that the mode is DIAG modewith the protection functions disabled.Keys of main unitTurn on the power while pressing these keys.A/B/C/D/EINPUT M0DECAUTION!Using this product with the protect

50、ion function disabledmay cause damage to itself. Use special care for this pointwhen using this mode. Canceling DIAG1 Before canceling DIAG, execute setting for PRESET ofDIAG menu No.9 (Memory initialization inhibited orMemory initialized).* In order to keep the user memory stored, be sure toselect